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	Secret Rabbit Code (aka libsamplerate)
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Author :<BR>Erik de Castro Lopo
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<H1><B>Applications Programming Interface</B></H1>
<P>
The publically callable functions of libsamplerate are all listed in the
<B>&lt;samplerate.h&gt;</B> header file.
In order to use any of the functionality of libsamplerate, you need to add
</P>
<PRE>
	#include &lt;samplerate.h&gt;
</PRE>
<P>
to the top of any function that call any of the following functions.
You will also need to link you binary with the libsamplerate library.
</P>
<P>
The API allows three methods for accessing the capabilies of the library:
</P>
<UL>
	<LI>A <A HREF="api_simple.html">simple interface</A> which can sample rate convert 
		a single block of samples (one or more channels) in one go.
		The simple API is less capable than the full API.
	<LI>A <A HREF="api_full.html">more fully featured interface</A> which allows time
		varying sample rate conversion on streaming data (again one or more
		channels).
	<LI>A <A HREF="api_callback.html">callback interface</A> which has the same 
		functionality as the interface above but allows the details of input and
		output to be separated.
		The output is generated by call a read function and the library calls a user
		supplied callback function to obtain its input.
		This interface is particularly well suited to applications where the output
		sample rate is varied with time.
</UL>
<P>
The parts of the API which are common to both are:
</P>
<UL>
	<LI> The <A HREF="api_misc.html#ErrorReporting">error reporting</A>  mechanisim.
	<LI> The available <A HREF="api_misc.html#Converters">converter</A> types.
	<LI> The <A HREF="api_misc.html#SRC_DATA">SRC_DATA</A> struct.
</UL>
<P>
All three versions of the API are restricted to operating on buffers of ISO C 
Standard  <B>float</B> data. 
However, there are two 
	<A HREF="api_misc.html#Aux">auxillary functions</A>
for converting arrays of float data to and from short data.
</P>

<P>
<B>Note:</B> The <B>tests/</B> and <B>examples/</B> directories of the source code 
distribution contain numerous example programs showing the use of the library.
</P>

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